206563120

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:598

約数の個数: 80

約数和(自身を含む): 495289728

約数和(自身を除く): 288726608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 137, 188, 235, 274, 376, 401, 470, 548, 685, 752, 802, 940, 1096, 1370, 1604, 1880, 2005, 2192, 2740, 3208, 3760, 4010, 5480, 6416, 6439, 8020, 10960, 12878, 16040, 18847, 25756, 32080, 32195, 37694, 51512, 54937, 64390, 75388, 94235, 103024, 109874, 128780, 150776, 188470, 219748, 257560, 274685, 301552, 376940, 439496, 515120, 549370, 753880, 878992, 1098740, 1507760, 2197480, 2582039, 4394960, 5164078, 10328156, 12910195, 20656312, 25820390, 41312624, 51640780, 103281560, 206563120]

約数ペア:

[(1, 206563120), (2, 103281560), (4, 51640780), (5, 41312624), (8, 25820390), (10, 20656312), (16, 12910195), (20, 10328156), (40, 5164078), (47, 4394960), (80, 2582039), (94, 2197480), (137, 1507760), (188, 1098740), (235, 878992), (274, 753880), (376, 549370), (401, 515120), (470, 439496), (548, 376940), (685, 301552), (752, 274685), (802, 257560), (940, 219748), (1096, 188470), (1370, 150776), (1604, 128780), (1880, 109874), (2005, 103024), (2192, 94235), (2740, 75388), (3208, 64390), (3760, 54937), (4010, 51512), (5480, 37694), (6416, 32195), (6439, 32080), (8020, 25756), (10960, 18847), (12878, 16040)]